This expansive 5 bedroom plus library duplex residence features grand room sizes, soaring ceiling heights over 10 feet, beautiful prewar details, and ample storage space. The apartment opens to a spacious gallery with an elegant curved staircase. The gallery leads to the apartment's entertaining rooms. Light streams through the oversized windows in the living room. The formal dining room is accessed from the living room and the large eat-in kitchen, which has a staff/laundry room and full bathroom. This floor is completed by the master bedroom and another bedroom, which both have en suite baths. Descend the staircase to the lower level, which opens to the enormous media room and the adjacent library with a large walk-in closet. This floor has two additional bedrooms that both have en suite baths and a third bedroom that is located near a staff room with full bath. 1000 Park Avenue is an Emery Roth designed full service cooperative that enjoys a highly sought after Upper East Side location. Building amenities include a modern fitness center and bicycle storage.